65511990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2659

約数の個数: 80

約数和(自身を含む): 181906560

約数和(自身を除く): 116394570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2609, 2790, 4185, 5022, 5218, 7827, 8370, 12555, 13045, 15654, 23481, 25110, 26090, 39135, 46962, 70443, 78270, 80879, 117405, 140886, 161758, 211329, 234810, 242637, 352215, 404395, 422658, 485274, 704430, 727911, 808790, 1056645, 1213185, 1455822, 2113290, 2183733, 2426370, 3639555, 4367466, 6551199, 7279110, 10918665, 13102398, 21837330, 32755995, 65511990]

約数ペア:

[(1, 65511990), (2, 32755995), (3, 21837330), (5, 13102398), (6, 10918665), (9, 7279110), (10, 6551199), (15, 4367466), (18, 3639555), (27, 2426370), (30, 2183733), (31, 2113290), (45, 1455822), (54, 1213185), (62, 1056645), (81, 808790), (90, 727911), (93, 704430), (135, 485274), (155, 422658), (162, 404395), (186, 352215), (270, 242637), (279, 234810), (310, 211329), (405, 161758), (465, 140886), (558, 117405), (810, 80879), (837, 78270), (930, 70443), (1395, 46962), (1674, 39135), (2511, 26090), (2609, 25110), (2790, 23481), (4185, 15654), (5022, 13045), (5218, 12555), (7827, 8370)]